Figure 1.

Gross photograph showing cut surface of right lobe of thyroid demonstrating a well circumscribed black colored nodule, (1a); photomicrograph shows encapsulated nodule compressing adjacent normal thyroid (1b, H&E, ×100); caught up normal thyroid follicles in the tumor (1c, H&E, ×200); higher magnification demonstrating plasmacytoid appearance of tumor cells (1d, H&E, ×200); tumor cells containing brownish black pigment and focal areas of spindling (1e, H&E, ×200); high magnification shows tumor cells laden with melanin (1f, H&E, ×400)

Singh et al. Diagnostic Pathology 2008 3:2   doi:10.1186/1746-1596-3-2
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